US10119800B2 - Distance measuring wheel device - Google Patents

Distance measuring wheel device Download PDF

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Publication number
US10119800B2
US10119800B2 US15/260,342 US201615260342A US10119800B2 US 10119800 B2 US10119800 B2 US 10119800B2 US 201615260342 A US201615260342 A US 201615260342A US 10119800 B2 US10119800 B2 US 10119800B2
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Prior art keywords
gear
chain
distance measuring
wheel device
measuring wheel
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US15/260,342
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US20180073848A1 (en
Inventor
Hung-Hui Wang
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WANG HUNG HUI
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Hung-Hui Wang
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/12—Measuring wheels

Definitions

  • the present invention relates to a distance measuring wheel device.
  • the conventional distance measuring wheel device known to the applicant discloses a tubular portion with a handle and a wheel on two ends thereof, the wheel is pivotably connected between two connection arms.
  • a counter is connected to the distance measuring wheel device and cooperated with a transmission unit.
  • One of the connection arms has two connection holes which represent two different measuring systems.
  • the transmission unit includes a top transmission member and a bottom transmission member.
  • the bottom transmission member is engaged with the inclined gear on the axle of the wheel.
  • the top transmission member has an inclined gear.
  • An adjustment base includes a stepped surface, the top portion of the stepped portion is cooperated with an inclined gear which has an annular toothed portion, so as to be respectively engaged with the inclined gear of the top transmission member and the gear of the axle of the counter.
  • the stepped surface of the adjustment base has two connection holes for different measuring systems. When moving the adjustment base between the two connection holes, different counter with different gears can be used to the distance measuring wheel device.
  • the conventional distance measuring wheel device involves too many parts which cause high manufacturing cost and longer assembling time required.
  • the belt has to be replaced after a certain period of time of use.
  • the present invention intends to provide a distance measuring wheel device which improves the shortcomings mentioned above.
  • the present invention relates to a distance measuring wheel device and comprises a base having a counter connected thereto, and two connection arms respectively extend downward from two sides of the base.
  • a wheel is rotatably connected between the two connection arms.
  • the axle of the wheel is pivotably connected to two respective distal ends of the two connection arms.
  • a transmission unit is connected to the counter and one of the two connection arms, and located away from the counter.
  • the transmission unit is further connected to the axle of the wheel.
  • the counter is activated by a chain.
  • the transmission device includes a first gear, a second gear, a third gear, a fourth gear, a first chain gear, a second chain gear and the chain.
  • the counter is radially connected to the axle of the first gear.
  • the first chain gear is connected to the axle of the wheel.
  • the second gear is located on one side of the base and engaged with the first gear.
  • the third gear is co-axially connected to the second gear.
  • the fourth gear is engaged with the third gear.
  • the second chain gear is co-axially connected to the fourth gear.
  • the chain is engaged between the first and second chain gears.
  • an inner housing covers the first, second, third and fourth gears, the second chain gear and a portion of the chain that is engaged with the first chain gear.
  • an outer housing is cooperated with the connection arm that is connected to the second chain gear to cover the first, second, third and fourth gears, the first chain gear, the second chain gear and the chain.
  • an outer housing is cooperated with the connection arm that is connected to the second chain gear to cover the inner housing, the first gear and the a portion of the chain that is exposed beyond the inner housing.
  • a stand is pivotably connected to one of the connection arms.
  • an extension tube extends from the base and a handle is connected to the top of the extension tube.
  • FIG. 1 is a perspective view to show the distance measuring wheel device of the present invention
  • FIG. 2 is an exploded view to show the inner and outer housing and the distance measuring wheel device of the present invention
  • FIG. 3 is an enlarged view of a portion of the distance measuring wheel device of the present invention.
  • FIG. 4 is another enlarged view of a portion of the distance measuring wheel device of the present invention.
  • FIG. 5 shows that the fourth gear connected to the second chain gear of the distance measuring wheel device of the present invention.
  • FIG. 6 is another view to show that the fourth gear connected to the second chain gear of the distance measuring wheel device of the present invention.
  • the distance measuring wheel device 100 of the present invention comprises a base 10 having a counter 11 connected thereto and two connection arms 61 , 62 respectively extend downward from two sides of the base 10 .
  • a wheel 20 is rotatably connected between the two connection arms 61 , 62 .
  • the axle 21 of the wheel 20 pivotably is connected to two respective distal ends of the two connection arms 61 , 62 .
  • the first chain gear 41 is connected to the axle 21 of the wheel 20 and located on the same side as the first gear 31 .
  • a transmission unit 300 is connected to the counter 11 and connection arm 61 , and located away from the counter 11 .
  • One end of the connection arm 61 that is located away from the counter 11 is connected to the axle 21 of the wheel 20 .
  • the counter 11 is activated by a chain 50 .
  • the second gear 32 is located on one side of the base 10 and engaged with the first gear 31 .
  • the third gear 33 is co-axially connected to the second gear 32 .
  • the fourth gear 34 is engaged with the third gear 33 .
  • the second chain gear 42 is co-axially connected to the fourth gear 34 .
  • the chain 50 is engaged between the first and second chain gears 41 , 42 .
  • the distance measuring wheel device 100 includes an inner housing 71 which covers the first, second, third and fourth gears 31 , 32 , 33 , 34 , the second chain gear 42 and a portion of the chain 50 that is engaged with the first chain gear 41 .
  • the distance measuring wheel device 100 further includes an outer housing 72 which is cooperated with the connection arm 61 that is connected to the second chain gear 42 to cover the first, second, third and fourth gears 31 , 32 , 33 , 34 , the first chain gear 41 , the second chain gear 42 and the chain 50 . That is to say, the outer housing 72 covers the inner housing 71 , and the first chain gear 41 , a portion of the chain 50 that is exposed beyond the inner housing 71 and the first chain gear 41 that are not covered by the inner housing 71 .
  • a stand 80 is pivotably connected to one of the connection arms 62 .
  • the stand 80 is pivotably connected to the connection arm 62 , so that when the distance measuring wheel device 100 is not in use, the stand 80 together with the wheel 20 supports the distance measuring wheel device 100 to be upright.
  • the distance measuring wheel device 100 further has an extension tube 91 extending from the top of the base 10 , and a handle 92 is connected to the top of the extension tube 91 . The user holds the handle 92 to move the distance measuring wheel device 100 .
  • the stand 80 When in use, the stand 80 is pivoted away from the wheel 20 , and the user holds the handle 92 to move the base 10 such that the wheel 20 rolls forward.
  • the rotation of the wheel 20 drives the first chain gear 41 to drive the chain 50
  • the chain 50 further drives the second chain gear 42 , the fourth gear 34 , the third gear 33 , the second gear 32 , the first gear 31 .
  • the rotation of the first gear 31 drives the axle 311 so as to activate the counter 11 to count the distance that the wheel 20 travels.
  • the chain 50 is durable compared with the belt as used in the conventional distance measuring wheel devices so that the maintenance cost is reduced as well.

Abstract

A distance measuring wheel device includes a base and a counter is arranged inside the base and laterally connected to the axle of a first gear. Two connection arms respectively extend from the base. The wheel is rotatably between the two connection arms. Each end of the axle of the wheel is rotatably connected with one end of each connection arm opposite to the base. A first chain gear is connected to the axle of the wheel corresponding to the first gear. A second gear is rotatably arranged at one side of the base and engaged with the first gear. A third gear is coaxially linked to the second gear. A fourth gear is engaged with the third gear. The second chain gear is coaxially linked to the fourth gear. The chain is surrounded and engaged with the first chain gear and the second chain gear.

Description

BACKGROUND OF THE INVENTION
1. Fields of the Invention
The present invention relates to a distance measuring wheel device.
2. Descriptions of Related Art
The conventional distance measuring wheel device known to the applicant discloses a tubular portion with a handle and a wheel on two ends thereof, the wheel is pivotably connected between two connection arms. A counter is connected to the distance measuring wheel device and cooperated with a transmission unit. One of the connection arms has two connection holes which represent two different measuring systems. The transmission unit includes a top transmission member and a bottom transmission member. The bottom transmission member is engaged with the inclined gear on the axle of the wheel. The top transmission member has an inclined gear. An adjustment base includes a stepped surface, the top portion of the stepped portion is cooperated with an inclined gear which has an annular toothed portion, so as to be respectively engaged with the inclined gear of the top transmission member and the gear of the axle of the counter. The stepped surface of the adjustment base has two connection holes for different measuring systems. When moving the adjustment base between the two connection holes, different counter with different gears can be used to the distance measuring wheel device.
However, the conventional distance measuring wheel device involves too many parts which cause high manufacturing cost and longer assembling time required. The belt has to be replaced after a certain period of time of use.
The present invention intends to provide a distance measuring wheel device which improves the shortcomings mentioned above.
SUMMARY OF THE INVENTION
The present invention relates to a distance measuring wheel device and comprises a base having a counter connected thereto, and two connection arms respectively extend downward from two sides of the base. A wheel is rotatably connected between the two connection arms. The axle of the wheel is pivotably connected to two respective distal ends of the two connection arms. A transmission unit is connected to the counter and one of the two connection arms, and located away from the counter. The transmission unit is further connected to the axle of the wheel. The counter is activated by a chain.
Preferably, the transmission device includes a first gear, a second gear, a third gear, a fourth gear, a first chain gear, a second chain gear and the chain. The counter is radially connected to the axle of the first gear. The first chain gear is connected to the axle of the wheel. The second gear is located on one side of the base and engaged with the first gear. The third gear is co-axially connected to the second gear. The fourth gear is engaged with the third gear. The second chain gear is co-axially connected to the fourth gear. The chain is engaged between the first and second chain gears.
Preferably, an inner housing covers the first, second, third and fourth gears, the second chain gear and a portion of the chain that is engaged with the first chain gear.
Preferably, an outer housing is cooperated with the connection arm that is connected to the second chain gear to cover the first, second, third and fourth gears, the first chain gear, the second chain gear and the chain.
Preferably, an outer housing is cooperated with the connection arm that is connected to the second chain gear to cover the inner housing, the first gear and the a portion of the chain that is exposed beyond the inner housing.
Preferably, a stand is pivotably connected to one of the connection arms.
Preferably, an extension tube extends from the base and a handle is connected to the top of the extension tube.
The present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, a preferred embodiment in accordance with the present invention.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a perspective view to show the distance measuring wheel device of the present invention;
FIG. 2 is an exploded view to show the inner and outer housing and the distance measuring wheel device of the present invention;
FIG. 3 is an enlarged view of a portion of the distance measuring wheel device of the present invention;
FIG. 4 is another enlarged view of a portion of the distance measuring wheel device of the present invention;
FIG. 5 shows that the fourth gear connected to the second chain gear of the distance measuring wheel device of the present invention, and
FIG. 6 is another view to show that the fourth gear connected to the second chain gear of the distance measuring wheel device of the present invention.
 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring to FIGS. 1 to 6, the distance measuring wheel device 100 of the present invention comprises a base 10 having a counter 11 connected thereto and two connection arms 61, 62 respectively extend downward from two sides of the base 10. A wheel 20 is rotatably connected between the two connection arms 61, 62. Specifically, the axle 21 of the wheel 20 pivotably is connected to two respective distal ends of the two connection arms 61, 62. The first chain gear 41 is connected to the axle 21 of the wheel 20 and located on the same side as the first gear 31.
A transmission unit 300 is connected to the counter 11 and connection arm 61, and located away from the counter 11. One end of the connection arm 61 that is located away from the counter 11 is connected to the axle 21 of the wheel 20. The counter 11 is activated by a chain 50.
The second gear 32 is located on one side of the base 10 and engaged with the first gear 31. The third gear 33 is co-axially connected to the second gear 32. The fourth gear 34 is engaged with the third gear 33. The second chain gear 42 is co-axially connected to the fourth gear 34. The chain 50 is engaged between the first and second chain gears 41, 42.
The distance measuring wheel device 100 includes an inner housing 71 which covers the first, second, third and fourth gears 31, 32, 33, 34, the second chain gear 42 and a portion of the chain 50 that is engaged with the first chain gear 41.
The distance measuring wheel device 100 further includes an outer housing 72 which is cooperated with the connection arm 61 that is connected to the second chain gear 42 to cover the first, second, third and fourth gears 31, 32, 33, 34, the first chain gear 41, the second chain gear 42 and the chain 50. That is to say, the outer housing 72 covers the inner housing 71, and the first chain gear 41, a portion of the chain 50 that is exposed beyond the inner housing 71 and the first chain gear 41 that are not covered by the inner housing 71.
In order to support the distance measuring wheel device 100, a stand 80 is pivotably connected to one of the connection arms 62. The stand 80 is pivotably connected to the connection arm 62, so that when the distance measuring wheel device 100 is not in use, the stand 80 together with the wheel 20 supports the distance measuring wheel device 100 to be upright.
The distance measuring wheel device 100 further has an extension tube 91 extending from the top of the base 10, and a handle 92 is connected to the top of the extension tube 91. The user holds the handle 92 to move the distance measuring wheel device 100.
When in use, the stand 80 is pivoted away from the wheel 20, and the user holds the handle 92 to move the base 10 such that the wheel 20 rolls forward. The rotation of the wheel 20 drives the first chain gear 41 to drive the chain 50, the chain 50 further drives the second chain gear 42, the fourth gear 34, the third gear 33, the second gear 32, the first gear 31. The rotation of the first gear 31 drives the axle 311 so as to activate the counter 11 to count the distance that the wheel 20 travels.
By using the chain 50 instead of the use of inclined gears, the number parts required is reduced and the assembling time required is reduced. The chain 50 is durable compared with the belt as used in the conventional distance measuring wheel devices so that the maintenance cost is reduced as well.
While we have shown and described the embodiment in accordance with the present invention, it should be clear to those skilled in the art that further embodiments may be made without departing from the scope of the present invention.

Claims (7)

What is claimed is:
1. A distance measuring wheel device comprising:
a base having a counter connected thereto and two connection arms respectively extending downward from two sides of the base;
a wheel rotatably connected between the two connection arms, an axle of the wheel pivotably connected to two respective distal ends of the two connection arms, and
a transmission unit connected to the counter and one of the two connection arms, and located away from the counter, the transmission unit further connected to the axle of the wheel, the counter being activated by a chain.
2. The distance measuring wheel device as claimed in claim 1, wherein the transmission device includes a first gear, a second gear, a third gear, a fourth gear, a first chain gear, a second chain gear and the chain, the counter is radially connected to an axle of the first gear, the first chain gear is connected to the axle of the wheel, the second gear is located on one side of the base and engaged with the first gear, the third gear is co-axially connected to the second gear, the fourth gear is engaged with the third gear, the second chain gear is co-axially connected to the fourth gear, the chain is engaged between the first and second chain gears.
3. The distance measuring wheel device as claimed in claim 2, wherein an inner housing covers the first, second, third and fourth gears, the second chain gear and a portion of the chain that is engaged with the first chain gear.
4. The distance measuring wheel device as claimed in claim 3, wherein an outer housing is cooperated with the connection arm that is connected to the second chain gear to cover the inner housing, the first gear and the a portion of the chain that is exposed beyond the inner housing.
5. The distance measuring wheel device as claimed in claim 2, wherein an outer housing is cooperated with the connection arm that is connected to the second chain gear to cover the first, second, third and fourth gears, the first chain gear, the second chain gear and the chain.
6. The distance measuring wheel device as claimed in claim 1, wherein a stand is pivotably connected to one of the connection arms.
7. The distance measuring wheel device as claimed in claim 1, wherein an extension tube extends from the base and a handle is connected to a top of the extension tube.
US15/260,342 2016-09-09 2016-09-09 Distance measuring wheel device Active 2036-12-30 US10119800B2 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD863082S1 (en) * 2016-12-29 2019-10-15 Apex Brands, Inc. Measuring wheel
USD863081S1 (en) * 2016-12-29 2019-10-15 Apex Brands, Inc. Measuring wheel
USD927334S1 (en) * 2020-12-01 2021-08-10 Shaocheng Zhang Measuring wheel

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WO2017132819A1 (en) * 2016-02-02 2017-08-10 美国西北仪器公司 Ranging system
CA2976553A1 (en) * 2016-10-31 2018-04-30 Bagel Labs Co., Ltd. Length measuring device
US11525657B2 (en) * 2016-12-29 2022-12-13 Apex Brands, Inc. Measuring wheel with fixed stand
EP3751167B1 (en) 2019-06-11 2022-12-28 ZF CV Systems Europe BV Disc brake with a reset device for a motor vehicle and motor vehicle with a disc brake
CN112539726A (en) * 2020-12-25 2021-03-23 深圳市测友科技有限公司 Irregular object length measuring instrument
USD987452S1 (en) * 2021-09-05 2023-05-30 Huaxing Zhang Measuring wheel

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US3577918A (en) * 1967-10-03 1971-05-11 David John Wayfield Marking-measuring devices
US4176458A (en) * 1978-03-27 1979-12-04 Dunn Christopher H Distance measuring apparatus
US4403419A (en) * 1981-06-22 1983-09-13 The Mead Corporation Surface profile recorder
US6782631B1 (en) * 2003-08-12 2004-08-31 Allen Face And Company Lc Movable platform for use with surface profiling system
US7040036B1 (en) * 2005-01-25 2006-05-09 Hui Chen Wang Distance measuring device
US7536805B1 (en) * 2008-08-01 2009-05-26 Yi-Wen Tang Wheeled distance measuring device
US7555846B1 (en) * 2008-02-11 2009-07-07 Cheng Lin Wang Wheeled distance measuring device
US20100024235A1 (en) * 2008-08-04 2010-02-04 Yi-Wen Tang Wheeled distance measuring device
US20100024236A1 (en) * 2008-08-04 2010-02-04 Yi-Wen Tang Brake mechanism for wheeled distance measuring device
US8572861B2 (en) * 2011-11-28 2013-11-05 Chih-Yi Chen Pivotal measuring wheel
US9797438B1 (en) * 2016-09-09 2017-10-24 Hung-Hui Wang Fastening structure of rangefinder wheel

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3577918A (en) * 1967-10-03 1971-05-11 David John Wayfield Marking-measuring devices
US4176458A (en) * 1978-03-27 1979-12-04 Dunn Christopher H Distance measuring apparatus
US4403419A (en) * 1981-06-22 1983-09-13 The Mead Corporation Surface profile recorder
US6782631B1 (en) * 2003-08-12 2004-08-31 Allen Face And Company Lc Movable platform for use with surface profiling system
US7040036B1 (en) * 2005-01-25 2006-05-09 Hui Chen Wang Distance measuring device
US7555846B1 (en) * 2008-02-11 2009-07-07 Cheng Lin Wang Wheeled distance measuring device
US7536805B1 (en) * 2008-08-01 2009-05-26 Yi-Wen Tang Wheeled distance measuring device
US20100024235A1 (en) * 2008-08-04 2010-02-04 Yi-Wen Tang Wheeled distance measuring device
US20100024236A1 (en) * 2008-08-04 2010-02-04 Yi-Wen Tang Brake mechanism for wheeled distance measuring device
US7694431B2 (en) * 2008-08-04 2010-04-13 Yi-Wen Tang Wheeled distance measuring device
US8082676B2 (en) * 2008-08-04 2011-12-27 Yi-Wen Tang Brake mechanism for wheeled distance measuring device
US8572861B2 (en) * 2011-11-28 2013-11-05 Chih-Yi Chen Pivotal measuring wheel
US9797438B1 (en) * 2016-09-09 2017-10-24 Hung-Hui Wang Fastening structure of rangefinder wheel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD863082S1 (en) * 2016-12-29 2019-10-15 Apex Brands, Inc. Measuring wheel
USD863081S1 (en) * 2016-12-29 2019-10-15 Apex Brands, Inc. Measuring wheel
USD927334S1 (en) * 2020-12-01 2021-08-10 Shaocheng Zhang Measuring wheel

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